added send path to ASCII art

network_backend.py

@@ -152,9 +152,13 @@ if __name__ == "__main__":
 
 		# Topology
 		# Receiver-0.0 \
-		# Receiver-0.1  + Packetizer-0 - Transceiver-0 \
+		# Receiver-0.1 <- Packetizer-0 <- Transceiver-0 \
-		#                                               + Backend
+		#                               /                \
-		# Receiver-1.0  + Packetizer-1 - Transceiver-1 /
+		#                      Send-0->/                  \
+		#                                                  + Backend
+		#                      Send-1->\                  /
+		#                               \                /
+		# Receiver-1.0 <- Packetizer-1 <- Transceiver-1 /
 		# Receiver-1.1 /
 
 		# Create transceiver